30202100232191 has 2 divisors, whose sum is σ = 30202100232192. Its totient is φ = 30202100232190.

The previous prime is 30202100232071. The next prime is 30202100232257. The reversal of 30202100232191 is 19123200120203.

It is a strong prime.

It is an emirp because it is prime and its reverse (19123200120203) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30202100232191 is a prime.

It is a super-2 number, since 2×30202100232191² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30202100232191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30202100232391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15101050116095 + 15101050116096.

It is an arithmetic number, because the mean of its divisors is an integer number (15101050116096).

Almost surely, 2^{30202100232191} is an apocalyptic number.

30202100232191 is a deficient number, since it is larger than the sum of its proper divisors (1).

30202100232191 is an equidigital number, since it uses as much as digits as its factorization.

30202100232191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 30202100232191 its reverse (19123200120203), we get a palindrome (49325300352394).

The spelling of 30202100232191 in words is "thirty trillion, two hundred two billion, one hundred million, two hundred thirty-two thousand, one hundred ninety-one".